Patent US2645031A successfully refreshed from Google Patents.
US2645031A
Expired / Lapsed
US
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Apparatus for drying filmlike materials
Assignee: Hispeed Equipment Inc
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Filing: 1950-02-07
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Granted: 1953-07-14
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Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Charles N Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/101; F26B13/103; B; B29; B29D; B29D7/00; B29C; B29C71/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5117; Y10T29/5183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2306607A
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US2393243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |